CAS OpenIR  > 中科院上海应用物理研究所2011-2018年
Porous cellulose diacetate-SiO2 composite coating on polyethylene separator for high-performance lithium-ion battery
Chen, WJ; Shi, LY; Wang, ZY; Zhu, JF; Yang, HJ; Mao, XF; Chi, MM; Sun, LN; Yuan, S; Yuan, S (reprint author), Shanghai Univ, Res Ctr Nanosci & Nanotechnol, Shanghai 200444, Peoples R China.
2016
Source PublicationCARBOHYDRATE POLYMERS
ISSN0144-8617
Volume147Issue:-Pages:517—524
Subtype期刊文献
AbstractThe developments of high-performance lithium ion battery are eager to the separators with high ionic conductivity and thermal stability. In this work, a new way to adjust the comprehensive properties of inorganic-organic composite separator was investigated. The cellulose diacetate (CDA)-SiO2 composite coating is beneficial for improving the electrolyte wettability and the thermal stability of separators. Interestingly, the pore structure of composite coating can be regulated by the weight ratio of SiO2 precursor tetraethoxysilane (TEOS) in the coating solution. The electronic performance of lithium ion batteries assembled with modified separators are improved compared with the pristine PE separator. When weight ratio of TEOS in the coating solution was 9.4%, the composite separator shows the best comprehensive performance. Compared with the pristine PE separator, its meltdown temperature and the break-elongation at elevated temperature increased. More importantly, the discharge capacity and the capacity retention improved significantly. (C) 2016 Elsevier Ltd. All rights reserved.
KeywordPolymer-coated Separator Electrolyte Cells Enhancement Nonwoven Safety Layer
DOI10.1016/j.carbpol.2016.04.046
Indexed BySCI
Language英语
WOS IDWOS:000376449300059
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/25805
Collection中科院上海应用物理研究所2011-2018年
Corresponding AuthorWang, ZY; Yuan, S (reprint author), Shanghai Univ, Res Ctr Nanosci & Nanotechnol, Shanghai 200444, Peoples R China.
Recommended Citation
GB/T 7714
Chen, WJ,Shi, LY,Wang, ZY,et al. Porous cellulose diacetate-SiO2 composite coating on polyethylene separator for high-performance lithium-ion battery[J]. CARBOHYDRATE POLYMERS,2016,147(-):517—524.
APA Chen, WJ.,Shi, LY.,Wang, ZY.,Zhu, JF.,Yang, HJ.,...&Yuan, S .(2016).Porous cellulose diacetate-SiO2 composite coating on polyethylene separator for high-performance lithium-ion battery.CARBOHYDRATE POLYMERS,147(-),517—524.
MLA Chen, WJ,et al."Porous cellulose diacetate-SiO2 composite coating on polyethylene separator for high-performance lithium-ion battery".CARBOHYDRATE POLYMERS 147.-(2016):517—524.
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